1. C. P. Flynn, Point Defects and Diffusion, Clarendon Press, Oxford (1972).
2. Y. Fukai and H. Sugimoto, Diffusion of hydrogen in metals, Adv. Phys.
34, 263–326 (1985).
3. E. W. Müller and T. T. Tsong, Field Ion Microscopy, Elsevier, New York (1968).
4. G. Ehrlich, Wandering surface atoms and the field ion microscope, Phys. Today
6, 44–53 (1981).
5. G. Ehrlich and K. Stolt, Surface diffusion, Ann. Rev. Phys. Chem.
31, 603–637 (1980).